Top Java Developer Jobs

Lead design and deliver full‑stack features across Java backend (Spring Boot, microservices) and Angular frontend (TypeScript, RxJS). Own architecture, enforce coding standards, promote automated testing, observability, CI/CD and cloud deployments, mentor engineers, run design/code reviews, and collaborate with product, UX, QA and DevOps to ensure secure, scalable production-ready applications.

Early-career backend engineer contributing to Java-based services and APIs. Design, implement, test, and deploy production-quality code, participate in code reviews, collaborate with product and senior engineers, and use AI-assisted development tools to accelerate delivery and maintainable systems.

Lead the design and implementation of application solutions, guide technical decisions, mentor team members, and ensure timely delivery of quality software. Oversee data integration and enforce SDLC standards.

Build and scale Buyercloud ad-serving systems that process billions of auctions daily. Design data- and model-driven features, optimize performance and cost, extend observability, participate in on-call rotations, produce documentation and playbooks, and support production incidents.

Lead a team and portfolio building distributed microservices and full-stack cloud solutions. Mentor engineers, collaborate with product managers, and deliver scalable AWS-based applications using Java, Python, JavaScript/TypeScript, containers, and databases to meet regulatory and customer needs.

Lead the development of an AI-powered AML platform, guiding a team in best practices, architecture, and delivering high-quality software solutions using Java and React.

The Java Developer is responsible for developing and implementing application systems, writing code, and collaborating with teams to deliver business solutions effectively.

Develop, enhance, and maintain portal systems using Java, Spring, and related tools. Analyze requirements, write clean testable code, perform code reviews and unit testing, support deployments and integrations, and collaborate with stakeholders and vendors to ensure system reliability.

Design, develop, test, deploy, and maintain enterprise Java applications for USPS. Build RESTful APIs with Spring, translate requirements into architecture, implement CI/CD/DevSecOps, integrate relational databases, troubleshoot complex issues, and collaborate with cross-functional Agile teams to deliver high-quality software solutions.

The Lead Java Developer will design, build, and operate large-scale trading platforms, focusing on low latency and cloud services. Responsibilities include development support, process automation, and team collaboration.

Develop and support application modules and data pipelines using Java/Python and AWS. Participate across requirements, design, build, test, and release. Collaborate with Product, DevOps, Testing, and Data Science to deliver cloud modernization and production-ready deployments.

Senior backend engineer to own platform components, design and implement high-availability RESTful services, security architecture, data management, analytics pipelines, logging/monitoring, and collaborate on architecture, integration, code review, testing, and production deployments.

Develop and support an ETRM front-office system for multiple commodities. Create POCs, design documents, integrations with third-party trading platforms, and collaborate with trading, risk, operations, and accounting. Implement scalable Java web applications, manage app servers, CI/build tools, and participate in Agile practices including pair programming and automated testing.

Develop and maintain Trade Reporting distributed applications. Work with senior developers, tech leads, and architects to implement new features and fixes, fully test changes in DIT, and support QA/UAT. Use Agile practices and communicate with business partners, system analysts, and QA engineers.

Join a product team building web and mobile apps for frontline associates and managers. Lead iterative design, develop back-end services, collaborate with designers and engineers, apply best practices (TDD, SOLID), rapidly prototype, and guide product delivery.

Develop, test, and support high-quality Mainframe Cybersecurity solutions by creating RESTful APIs and maintaining software aligned with user needs.

Lead design, build, and support cloud-native, enterprise-scale Java/Spring full‑stack applications. Develop microservices, REST APIs and event-driven solutions using AWS, Kafka, Docker/Kubernetes, Angular/React; drive architecture, CI/CD, DevOps, testing, performance tuning, and production support while collaborating with global Agile teams to modernize clearing and settlement platforms.

Build and enhance Citi's Integrated Digital Assets Platform backend. Collaborate on blockchain-based web applications, deliver functional scope, apply enterprise and web3 design patterns, maintain documentation, support solution engineering, and follow best practices for reliability, scalability, and performance in a distributed Agile team.

The role involves maintenance, new development, bug fixing, and issue evaluation for the STB middleware, requiring strong Java and multithreading skills.

Develop and integrate software components into a new system utilizing Java and other related technologies. Participate in an agile development process.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Design, develop, test, and maintain scalable Java applications for government and enterprise systems. Build and integrate APIs, support CI/CD deployments, ensure security/compliance, contribute to architecture and documentation, troubleshoot production issues, and collaborate with cross-functional teams.

The Lead Software Engineer will oversee software development for Boeing's Advanced Ground Architecture, with a focus on Java and guiding teams to meet project goals.

Develop and maintain complex application software for space vehicle command and control, utilizing Agile methodologies and modern programming languages.

The Senior Java Software Engineer will develop and maintain complex software systems, collaborate with engineers, and support command and control of space vehicles, focusing on Java development within an Agile environment.